Standard library updates

[Zerahan]

ALL

• [ ] Contains blueprint library for easily adding standard functions to projects
• [ ] for blueprint library, test if macros or functions are better for performance
• [ ] have most functionality on a component that uses a BPL function to access

• [ ] include an example, and a howto.txt for quick step-by-step setup

  InteractionSystem - Note: might not need a component for this.

• [ ] IS_Interact(PlayerController, PlayerPawn, InteractionComponent)

  InventorySystem

• [x] Should be handled mostly by a component

  TaskSystem

• [ ] Global/Faction task list